Ca8 Si4

semiconductor

· Ca8 Si4

Ca8Si4 is an intermetallic compound belonging to the calcium-silicon family, representing a phase in the Ca-Si binary system that exhibits semiconductor properties. This material is primarily of research interest rather than established in mainstream industrial production, with investigations focused on its potential applications in thermoelectric devices, optoelectronic components, and advanced structural composites where the combination of ceramic-like stiffness and semiconducting behavior could offer advantages over conventional materials.

thermoelectric devices (research phase)optoelectronic semiconductorshigh-temperature structural compositessolid-state energy conversionmaterials science research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	39.61	GPa	—
Shear Modulus(G)	23.61	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.08920	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5560	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Ca8 Si4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control